CN101225121A - 一种不饱和果胶低聚糖及复合生物防腐剂 - Google Patents
一种不饱和果胶低聚糖及复合生物防腐剂 Download PDFInfo
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- CN101225121A CN101225121A CNA2008100595187A CN200810059518A CN101225121A CN 101225121 A CN101225121 A CN 101225121A CN A2008100595187 A CNA2008100595187 A CN A2008100595187A CN 200810059518 A CN200810059518 A CN 200810059518A CN 101225121 A CN101225121 A CN 101225121A
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- pectin
- oligosaccharide
- unsaturated
- pectin oligosaccharide
- biological preservative
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Images
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- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
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Abstract
Description
菌种 | 果胶低聚糖浓度(%,w/w) | |||||
0.042 | 0.105 | 0.210 | 0.420 | 0.630 | 0.840 | |
金黄色葡萄球菌大肠杆菌枯草芽孢杆菌 | +++ | +-++ | --- | --- | --- | --- |
防腐试剂 | 最低抑菌浓度(%,w/w) | ||
大肠杆菌 | 金黄色葡萄球菌 | 枯草芽孢杆菌 | |
苯甲酸钠山梨酸钾乳酸链球菌素果胶低聚糖 | 0.010.051.50.16 | 0.010.0250.850.12 | 0.010.050.50.184 |
样品 | 浓度(%,w/w) | 抑菌圈直径(cm) | ||
大肠杆菌 | 金黄色葡萄球菌 | 枯草芽孢杆菌 | ||
果胶低聚糖 | 0.841.682.52 | 1.461.632.10 | 1.431.802.21 | 1.251.651.92 |
苯甲酸钠 | 0.10.250.5 | 1.601.752.08 | 1.351.702.15 | 1.501.752.1 |
山梨酸钾 | 0.10.250.5 | 1.321.672.20 | 0.911.511.72 | 1.431.601.91 |
乳酸链球菌素 | 0.10.250.5 | 1.101.221.50 | 0.881.272.10 | 1.151.251.54 |
对照(pH4.2缓冲液) | 1.00 | 1.05 | 0.75 |
样品 | 浓度(%,w/w) | 桔子汁清亮度 | ||||
24h | 48h | 72h | 96h | 120h | ||
果胶低 | 0.21 | - | - | - | - | +- |
聚糖 | 0.84 | - | - | - | - | +- |
1.68 | - | - | - | - | - | |
苯甲酸钠 | 0.02 | - | - | + | ++ | +++ |
0.2 | - | - | - | +- | + | |
2 | - | - | - | - | - | |
山梨酸钾 | 0.02 | - | - | + | ++ | +++ |
0.2 | - | - | - | +- | ++ | |
2 | - | - | - | - | +- | |
乳酸链球菌素 | 0.05 | - | +- | ++ | +++ | ++++ |
0.5 | - | - | + | ++ | +++ | |
1.0 | - | - | + | ++ | +++ | |
5.0 | - | - | - | - | + | |
对照(pH4.2缓冲液) | +- | + | ++ | ++++ | ++++ |
样品 | 浓度(%,w/w) | 菌落数变化值cfu/mL | ||
24h | 48h | 72h | ||
果胶低聚糖 | 0.25 | 0 | 600 | 2000 |
0.5 | 0 | 500 | 900 | |
0.75 | 0 | 200 | 400 | |
1.0 | 0 | 100 | 300 | |
1.25 | 0 | 100 | 200 | |
1.5 | 0 | 0 | 100 | |
山梨酸钾 | 0.05 | 0 | 500 | 1100 |
乳酸链球菌素 | 0.02 | 0 | 600 | 2900 |
对照(pH4.2缓冲液) | 10000 | 30000 | 30000 |
样品 | 浓度(%,w/w) | 菌落数变化值cfu/ml | ||
24h | 48h | 72h | ||
果胶低聚糖 | 0.5 | 100 | 300 | 2400 |
1.0 | 0 | 400 | 2400 | |
山梨酸钾 | 0.05 | 100 | 1200 | 2300 |
乳酸链球菌素 | 0.02 | 100 | 500 | 1100 |
对照(pH4.2缓冲液) | 30000 | 60000 | 80000 |
样品 | 浓度(%,w/w) | 菌落数变化值cfu/ml | ||
24h | 36h | 72h | ||
果胶低聚糖 | 0.25 | 0 | 600 | 2000 |
0.5 | 0 | 500 | 900 | |
果胶低聚糖+山梨酸钾 | 0.25+0.025 | 0 | 400 | 1000 |
山梨酸钾 | 0.05 | 0 | 500 | 1100 |
果胶低聚糖+乳酸链球菌素 | 0.125+0.01 | 0 | 600 | 2600 |
乳酸链球菌素 | 0.02 | 0 | 600 | 2900 |
对照(pH4.2缓冲液) | 10000 | 30000 | 30000 |
样品液编号 | 样品液稀释倍数 | 各样品的pH值 | 样品液中还原糖浓度(mg/ml) | 菌落生长级别 |
H0 | *2*1 | 4.244.0 | 0.0650.131 | ++ |
*0.5 | 3.83 | 0.260 | + | |
H1 | *2*1*0.5 | 3.834.04.2 | 0.631.262.45 | +++++ |
H2 | *2*1*0.5 | 3.253.203.10 | 0.3250.651.20 | ++++++++ |
H3 | *2*1*0.5 | 3.503.423.35 | 0.3050.611.15 | ++++++++ |
H4 | *2*1*0.5 | 3.853.723.65 | 0.2860.571.02 | ++++++++ |
H5 | *2*1*0.5 | 3.953.803.72 | 0.2650.531.00 | ++++++++ |
双歧杆菌基础培养基 | 6.80 | 0.00 | ++ |
Claims (8)
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Application Number | Priority Date | Filing Date | Title |
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CN2008100595187A CN101225121B (zh) | 2008-01-25 | 2008-01-25 | 一种不饱和果胶低聚糖及复合生物防腐剂 |
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Application Number | Priority Date | Filing Date | Title |
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CN2008100595187A CN101225121B (zh) | 2008-01-25 | 2008-01-25 | 一种不饱和果胶低聚糖及复合生物防腐剂 |
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Publication Number | Publication Date |
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CN101225121A true CN101225121A (zh) | 2008-07-23 |
CN101225121B CN101225121B (zh) | 2011-11-23 |
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